<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta http-equiv="X-UA-Compatible" content="ie=edge" />
    <title>权重的叠加</title>
    <style>
      /* 复合选择器会有权重叠加的问题 */
      /* 权重虽然会叠加,但是永远不会有进位 */
      /* ul li 权重  0,0,0,1 + 0,0,0,1 = 0,0,0,2     2 */
      ul li {
        color: green;
      }
      /* li 的权重是 0,0,0,1  1 */
      li {
        color: red;
      }
      /* .nav li  权重 0,0,1,0 + 0,0,0,1 = 0,0,1,1   11 */
      .nav li {
        color: pink;
      }
    </style>
  </head>
  <body>
    <ul class="nav">
      <li>大猪蹄子</li>
      <li>大肘子</li>
      <li>猪尾巴</li>
    </ul>
  </body>
</html>
